MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ClamAV as a phishing trojan. It contains embedded JavaScript and a large number of external URIs, many pointing to compromised or disposable hosting, indicating a likely phishing or malicious redirection scheme. The presence of embedded JavaScript suggests an attempt to execute malicious code within the PDF viewer.
Machine Learning
- Nyx PDF Classifier malicious score 0.9913
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://iswii.net/ckfinder/userfiles/files/lalirijosuvajokipit.pdf
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf8a9d7d45---95340871602.pdf
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16088bb76b0f5e---zedidogavikavemiretalopi.pdf
- http://emanuelmlevin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lofarawerumiz.pdf
- https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/4fue5b6v9pubb1rmfbem2c7j1l/66989774852.pdf
- http://pvvc.cz/files/44131612772.pdf
- https://cursosadistanciayonline.com/medios//files/devuxup.pdf
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160755c8a4e7ca---tuvenalusazopopokukigi.pdf
- http://movitecnic.com/ressource/site-image/files/mezovukujofen.pdf
- https://juniorclublivorno.com/sitonews/images_upload/files/31327786593.pdf
- http://esoftland.com/userfiles/file/78663329885.pdf
- http://parbatsamajjapan.com/img/files/files/befumavi.pdf
- http://shsclassof1959.com/clients/a/a7/a7a82b2a6025f7fafce5d77be70bf845/File/22037635428.pdf
- http://mgocsm.in/userfiles/file/jodiredobibigisudejivim.pdf
- http://bestbuyfromindia.com/userfiles/file/botifefisa.pdf
- http://remaining-mc.de/userfiles/file/nijilajuminobo.pdf
- http://mrbossamktown.com/uploads/files/78881263640.pdf
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/f9677701204cbbdfc72d52c9fc40b1a3/lekiz.pdf
- http://gunjanjain.com/app/webroot/js/uploads/files/tasedonuwa.pdf
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160778da25f2c0---61061913668.pdf
- https://fresh-cherries.com/ckfinder/userfiles/files/6821234922.pdf
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160abd9a636739---risumoterejojipebalikadu.pdf
- https://valserve.in/web/k/main_admin/ckfinder/userfiles/files/40960229357.pdf
- https://trungtammatnamviet.vn/upload/files/17573416873.pdf
- http://aihyang.com/userfiles/file/46651935664.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=social+science+choose+the+correct+answer
- http://e1pl2.nazwa.pl/busy/fotki/file/51228224006.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fda5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDA5 | 16792 bytes |
font_01_sfnt_off000115bc.bin76dbe6cdfd7846fb3d6b5d34fd4c71fbe26e66edc7c1ca98f9a7036fd2b2b955 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115BC | 10488 bytes |
font_02_sfnt_off00012d85.bin157da14cb177a753fbe6d60cd67112ba2c77b306a540ca9748c8794f0a5c0a2e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D85 | 17036 bytes |
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